//
// Created by baigui on 21-7-2.
//

#ifndef SIMPLE_PLAYER_LOOPER_H
#define SIMPLE_PLAYER_LOOPER_H


/*
 * Copyright (C) 2014 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#include "pthread.h"
#include "semaphore.h"
extern "C" {
#include "os/android/thread.h"
}

#include "sys/eventfd.h"
#include "sys/epoll.h"
#include "c++/v1/memory"


struct loopermessage;

class Looper{

public:
    class CallBack{
    public:
        virtual void handle(int, void*) = 0;
    };

public:
    Looper(std::weak_ptr<CallBack> callBack);
    Looper& operator=(const Looper& ) = delete;
    Looper(Looper&) = delete;
    virtual ~Looper();

    void post(int what, void *data, uint64_t delay = 0, bool flush = false);
    void quit();

    virtual void handle(int what, void *data);


private:
    void addmsg(loopermessage *msg, bool flush, bool clear = false);
    static void* trampoline(void* p);
    void loop();
    loopermessage *head = nullptr;
    pthread_t worker;
    sp_sem_t headwriteprotect;
    sp_sem_t interpetprotect;
    bool need_skip = false;
    long long delay = 0;

    int epollFd;
    int inotifyFd;
    struct epoll_event pendingEventItems;

    bool running;
    std::weak_ptr<CallBack> mCallBack;
    pid_t pid;
};


#endif //SIMPLE_PLAYER_LOOPER_H
